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Students walk through the campus at the University of Arizona in Tucson, Arizona, on August 24.
Students walk through the campus at the University of Arizona in Tucson, Arizona, on August 24. Cheney Orr/Bloomberg/Getty Images

Schools are reopening — and the virus is spreading across US college campuses.

At least 37 states are reporting positive Covid-19 cases at colleges or universities, making a total of more than 25,000 cases among students and campus staff.

The states are:

Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nevada, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Washington and Wisconsin.

source: cnn.com